| 
 Models 
 | 
 ND-H2-120 
 | 
 ND-H2-180 
 | 
 ND-H2-260 
 | 
 ND-H2-400 
 | 
 ND-H2-500 
 | 
| 
 Generals Informations 
 | 
| 
 H2 flow rate – cc/min 
 | 
 120 
 | 
 180 
 | 
 260 
 | 
 400 
 | 
 500 
 | 
| 
 H2 purity 
 | 
 (> 99.9995 % (O2 < 1 ppm, dewpoint H2O < -55°C (-67°F) 
 | 
| 
 Delivery pressure 
 | 
 (1 – 10 bar (14.5 – 145 psi 
 | 
| 
 H2 dryer 
 | 
 Dessicant cartridge 
 | 
| 
 Internal water tank 
 | 
 2.3 liters with autorefill included 
 | 
| 
 Temperature range 
 | 
 (From 5 – 35°C (41 – 95°F) and humidity 80% to 25°C (77°F 
 | 
| 
 LCD touch screen 
 | 
 (Resolution 128 x 64 – touch screen with (operating parameters, system status, alarms 
 | 
| 
 Water quality 
 | 
 Deionised, ASTM II, < 0.1 µS 
 | 
| 
 (Dimensions (W x H x D 
 | 
 (30 x 43 x 43 cm (11.8″ x 16.9″ x 16.9″ 
 | 
| 
 Outlet port 
 | 
 1/8 Swagelock 
 | 
| 
 (Weight (kg/lbs 
 | 
 14.5 / 32 
 | 
 15.5 / 34 
 | 
| 
 Power consumption 
 | 
 280 W 
 | 
| 
 Power supply 
 | 
 90 – 240 V ac / 50-60 Hz 
 | 
| 
 Communication 
 | 
| 
 RS232 
 | 
 X 
 | 
| 
 RS485/USB 
 | 
 Option 
 | 
 X 
 | 
| 
 Special functions 
 | 
| 
 Parallel mode 
 | 
 Option 
 | 
| 
 Automatic internal water tank refill 
 | 
 X 
 |